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1 Manufactured Home Installer Course Introduction to Manufactured Housing

1 Manufactured Home Installer Course Introduction to Manufactured Housing

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Page 1: 1 Manufactured Home Installer Course Introduction to Manufactured Housing

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Manufactured Home Installer Course

Introduction to Manufactured Housing

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The Home, the Site and You

To be a professional manufactured home installer you need to understand HUD Code homes, how to deal with site conditions and what you need to do to maintain your license.

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So Just What is a Manufactured Home? Built to a federal building code

A nationally preemptive code Code is based on performance 3rd party inspection system

Built in sections Delivered to the site Some site constructed elements such as

decks Industry grew out of the Mobile Home

business

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Preemptive Code This means that no local or state

government can increase or decrease the code requirements for the construction of a manufactured home.

The preemption applies to the “box” Wisconsin’s one- and two-family building

code applies only to the foundation, additions, steps and deck – not the home itself

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Home Inspections

The HUD Code calls for inspections in the plant for the home

If there are unusual aspects of the home that cannot be inspected in the plant, then a field inspection is done for the home.

Wisconsin law requires all manufactured home installations to be inspected

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What’s What Mobile Home – built prior to July 1976 Manufactured Home – built to HUD Code

after July 1976 Modular Home – built to state building code

(UDC in Wisconsin) Using the term “modular home” is only

proper if it relates to a home built to the state code. A HUD Code home is never a modular home.

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Today’s manufactured housing delivers outstanding quality and performance due to the systems approach to its construction

Manufactured homes benefit from economies of scale

A wide range of styles and exterior finishes are available

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Flexibility in the production process still permits customization to meet your lifestyle and needs

Smart buyers are also looking for the Energy Star label

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Who Lives in Manufactured Homes

Age of Household Head Less than 30 8% 30-39 20% 40-49 25% 50-59 25% 60-69 16% 70 or over 8%

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Who Lives in Manufactured Homes

Employment Status of Household Head

Full time64%

Part time 7%

Retired19%

Not employed10%

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Who Lives in Manufactured Homes

Household Size 1

15% 2

36% 3 or 4

36% 5 or more

13%

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The Product Mix Two or more home sections 72% One section 28%

Multi-section homes create special issues for installers. Be alert to: Marriage line pier locations Electrical, HVAC and Plumbing

crossovers Proper connection of the halves

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Home Placement On land owned by homeowner 71% Located in MH Community 29%

Placements in MH communities result in special considerations. Be alert to: Permission to work on land not owned by the

homeowner Buried electrical wires and plumbing that may

not be located on site drawings

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What does a Manufactured Home look like?

Could be a singlesection homewith vinyl skirting.

Proper foundations to avoid buckling of skirting is important for these homes

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What does a Manufactured Home look like?

Could be a two section home with an attached garage on a full basement.

Attached garages require prior consultation with the home manufacturer. related to fire breaks, structural support and foundation considerations.

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What does a Manufactured Home look like?

Could be“log cabin”

Attached decks must be properly supported and not “hung” onto the home

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What does a Manufactured Home look like?

Could be thistwo-story in Milwaukee’sLindsey Heights.A two story home

is possible but the second floor still has a “chassis”

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What’s What?

A HUD Code Home must have a red HUD label on each home section.

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Understanding the HUD Code

Adopted by Congress in 1976 A nationally preemptive code Administered nationally by HUD and

locally by the Department of Department of Safety & Professional Service

Code covers the “box”

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HUD Code in the Plant Home is designed and then approved by a

3rd party Design Approval Primary Inspection Agency (DAPIA)

Home is constructed and then inspected by 3rd party In-plant Approval Primary Inspection Agency (IAPIA)

Home must be habitable when leaving the plant – all systems must be in working order when the home leaves the plant. (electrical, HVAC, plumbing)

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Characteristics of the HUD Code Home

Permanent chassis which cannot be removed

Red seal on each section Dataplate details all of the system

details of the home

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Each HUD Code Home Section has a Label

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Data Plate Inside the home located near

the electrical service is the Data Plate

The 8.5 by 11 inch document include vital information on the home including roof load, wind zone, thermal zone and mechanical system details.

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Data Plate also includes

Manufacturer’s Name Trade/Model Name Year of Manufacturer Serial Number HUD Construction Zones The construction zone information is key

for installers!

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Beyond the HUD Code

If the home has non-standard items the home might be subject to an alternative construction letter and extra inspection

Additions, decks, steps and landings are subject to the Wisconsin one- and two-family dwelling code (UDC)

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AC Process

Manufacturers can apply to have certain items inspected in the field that are impossible to do in the plant.

Alternative Construction process or AC approval

Typical item – roof penetrations in hinged roofs

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What’s next?

Basics of the HUD Code Installation standard for existing

homes New HUD Code Installation Standard Licensing law for installers Acceptable Slab Design

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What’s in your workbook?

Key to the Code Did you know? Department of Safety & Professional

Service contacts Web links Older home installation standard info New installation standard Resources

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Critical Websites

See page 6 of your wookbook You can retrieve up to date

information by bookmarking these sites.

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4 Codes – 1 Industry

Installers need to be alert four codes that affect their professional work: HUD Code – cover the home construction Installation Code for April 1, 2007 or after

homes Installation Code for Pre April 1, 2007

homes UDC for site built components of the

home

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Take Exam 1

At this time, print out Exam 1 and complete this test.

After completion of Exam 1, open Presentation 2.

Click the link below to return to the course page:

Internet Installer Course